package com.bw.educate.config;

import org.springframework.cloud.gateway.filter.ratelimit.KeyResolver;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import reactor.core.publisher.Mono;

@Configuration
public class KeyResolverConfiguration {
    /**     * 基于请求路径的限流     */
    @Bean(value = "pathKeyResolver")
    public KeyResolver pathKeyResolver() {
        return exchange -> Mono.just(
                exchange.getRequest().getPath().toString()
        );
    }
    /**     * 基于请求ip地址的限流     */
//    @Bean(value = "ipKeyResolver")
//    public KeyResolver ipKeyResolver() {
//        return exchange -> Mono.just(
//                exchange.getRequest().getHeaders().getFirst("X-Forwarded-For")
//        );
//    }
//    /**     * 基于用户的限流     */
//    @Bean(value = "userKeyResolver")
//    public KeyResolver userKeyResolver() {
//        return exchange -> Mono.just(
//                exchange.getRequest().getQueryParams().getFirst("user")
//        );
//    }
}
